Meta-Analysishigh evidence
One Size Does Not Fit All: A Meta-Analysis of 115 Trials Comparing High-Intensity Interval and Moderate-to-Vigorous-Intensity Continuous Training Across Diverse Participants, Protocols, and Outcomes.
Scandinavian journal of medicine & science in sports·March 1, 2026·PMID 41804294
Why it mattersClinicians guiding exercise prescription can use these findings to tailor training recommendations. HIIT offers superior cardiorespiratory and anaerobic gains, particularly for inactive, recreationally active, and elite individuals, and when using short- or long-interval protocols in running, cycling, or rowing. This helps optimize time-efficient training strategies for performance and health.
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